Finding the Fourth Proportional to 2,375.57, 3,562.11 and 1,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.57 : 3,562.11 = 1,388.72 : x
2. Step 2: Convert to fraction form
   2,375.57/3,562.11 = 1,388.72/x
3. Step 3: Cross multiply
   2,375.57x = 3,562.11 × 1,388.72
4. Step 4: Simplify right side
   2,375.57x = 4,946,782.30
5. Step 5: Solve for x
   x = 4,946,782.30/2,375.57
6. Step 6: Final answer
   x = 2,082.35